package com.itheima.health.service;

import com.itheima.health.pojo.User;

/**
 * @Author ZhangXiXi
 * @ClassName UserService
 * @Description TODO
 * @date 2021/1/2 22:08
 * @Version 1.0
 */
public interface UserService {

    User queryByUsername(String username);
}
